

package com.hazelcast.internal.partition.operation;

import com.hazelcast.core.MemberLeftException;
import com.hazelcast.internal.partition.MigrationCycleOperation;
import com.hazelcast.internal.partition.PartitionRuntimeState;
import com.hazelcast.internal.partition.impl.InternalPartitionServiceImpl;
import com.hazelcast.internal.partition.impl.PartitionDataSerializerHook;
import com.hazelcast.spi.exception.TargetNotMemberException;
import com.hazelcast.spi.impl.operationservice.ExceptionAction;

/**
 * Sent from non-master nodes to the master to initialize the partition assignment.
 */
public class AssignPartitions extends AbstractPartitionOperation implements MigrationCycleOperation {

    private PartitionRuntimeState partitionState;

    @Override
    public void run() {
        InternalPartitionServiceImpl service = getService();
        partitionState = service.firstArrangement();
    }

    @Override
    public Object getResponse() {
        return partitionState;
    }

    @Override
    public int getClassId() {
        return PartitionDataSerializerHook.ASSIGN_PARTITIONS;
    }

    @Override
    public ExceptionAction onInvocationException(Throwable throwable) {
        if (throwable instanceof MemberLeftException || throwable instanceof TargetNotMemberException) {
            return ExceptionAction.THROW_EXCEPTION;
        }
        return super.onInvocationException(throwable);
    }
}
